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TABLE 3. Relative abundance of fish species found in the Upper Colorado River Basin, by major hydrologic subregions. Reser- <br />voirs not included (See Table 4) <br /> <br />Family and _ Upp <br />species Colorado Hydrologic <br />er Main-stem <br />Gunnison Dolores subregion and river <br />Green San <br />Green Yampa White <br />Juan-Colorado <br />San Juan <br />Clupeidae <br />Dorosoma petenenseb <br />Salmonidae <br />Oncorhynchus kisutchb <br />- <br />Oncorhynchus ner <br />kab <br />_P_to_s__op _1?um w11T1 Boni C R C C R <br />aS lmo cfar i R R <br />Salmo clarki pleuriticus R R R R <br />Salmo car stomias I <br />Salmo ?airdneri C C R R R R <br />SaTmo trutta C C R R R R <br />Salvelinus fontinalis I R I I <br />Sa va inus namaycus I I I <br />Esocidae <br />Esox lucius I I I R I R <br />Cyprinidae <br />C rinus car io A C C A C R C <br />Gila aria R I R <br />Gila copei I I <br />Gila cypha R R R R <br />Gila elegans R <br />G li robusta C A C R A C R <br />Hybognathus hankinsoni I <br />Hybognathus placitus I <br />Notropis 1utrensi s A C C A C A A <br />Notro 1s strain neus C R R C R <br />Pimepha es romelas C C C C C R C <br />Ptychocheilus lucius <br />- R R R R R R <br />Rhin <br />ichthys cataractae R R <br />Rhinichth s osculus R A A A A A C <br />Rhinichth s osculus R <br />t erma ; i s <br />Richardsonius balteatus I R C R <br />Semotilus atromaculatus I R R <br />aA=Abundant; C=Common; R=Rare; I=Incidental <br />Restricted to reservoirs <br />16